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Part fits the following years: 1963, 1964, 1965, 1966

Riviera Valve Cover Mounting Grommet

Part# S240893

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Part Type: (R) = Authentic reproduction of the original GM product
Years: Sold As: EACH
2015 Riviera Catalog Page: 122
2016 Riviera Catalog Page: 124

Genuine molded rubber

Identical to original equipment

Molded rubber grommets are a must-have for mounting the valve covers on your Nailhead engine. Grommets fit between the head and the valve cover to reduce vibration and prevent oil leaking through the bolt holes. Sold individually or in a complete four piece set for one engine.

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